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Coordinate Plane SOL A.7
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Anticipatory Set When writing an ordered pair, how can you remember which coordinate comes first?
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Vocabulary Define the following words: Relation Quadrant
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Vocabulary (continued)
Relation – a set of ordered pairs A relation can be expressed as a set, table, map or graph Example: (1, 2), (-2, -4), (0, 3) Set {(1, 2), (-2, -4), (0, 3)} Table x y 1 2 0 3 Map Graph x -2 1 y -4 2 3
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Vocabulary (continued)
Quadrant – the four regions in to which the x and y-axes separate the coordinate plane y II I x III IV
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Teachable Notes Foldable II I III IV The Coordinate Plane Step 2
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Teachable Notes Foldable I II III IV ( - , +) (+, +) ( - , - )
( + , - )
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Student Examples Create a table, map, and graph for the following relation. (3, 7), (-2, 4), (3, 1), (-2, 1) x y x y 1 3 -2 7 4 1
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